Practice Quiz Unit 5

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Nucleic acid testing (NAT) is useful for detecting donor-derived infection in organ transplantation in blood samples: Select one: a. but not for every potential organism b. only for bacterial infection c. in gram-positive contaminated blood d. for chronic or persistent bacterial infections only e. and is required by law for all donor samples

a. but not for every potential organism

Hepatitis C virus is commonly transmitted via: Select one: a. exposure to non-sterile piercing equipment b. blood-to-blood contact during sex c. from mother to baby around the time of birth d. from animal vector to human e. during breastfeeding from cracked nipples

a. exposure to non-sterile piercing equipment

The first non-blood based antibody test for HIV, approved in the mid-1990s, is based on this type of sample: Select one: a. oral b. lymph fluid c. skin scrapings d. exhaled air from lungs e. fecal

a. oral

A patient's hepatitis B serologic test results show they are HBsAg, anti-HBc, and IgM anti-HBc positive as well as anti-HBs negative.The patient is likely: Select one: a. susceptible to hepatitis B b. acutely infected c. chronically infected d. immune due to vaccination e. immune due to national infection

b. acutely infected

Neonatal complications of maternal parvovirus B19 infection typically include any of the following EXCEPT: Select one: a. transfusion dependent anemia b. chronic hepatitis c. myocarditis d. hepatic insufficiency e. central nervous system abnormalities

b. chronic hepatitis

The virus that causes HIV belongs to this subgroup: Select one: a. protoviruses b. lentiviruses c. spumaviruses d. filoviruses e. nemoviruses

b. lentiviruses

The daily use of ARV drugs by people not infected with HIV in order to prevent acquisition of HIV from a partner is abbreviated: Select one: a. EMTCT b. PEP c. PrEP d. MSM e. CD4

c. PrEP

The natural reservoir host of Ebola viruses: Select one: a. is the chimpanzee b. are humans c. remains unknown d. is any tropics-residing mammal e. transmits the virus to humans only via sexual contact

c. remains unknown

The most widely used monoclonal antibody for the treatment of post-transplant lymphoproliferative disease after solid organ transplant is: Select one: a. infliximab b. cetuximab c. rituximab d. bevacizumab e. abciximab

c. rituximab

Hepatitis B was previously called: Select one: a. infectious hepatitis b. delta hepatitis c. serum hepatitis d. woodchuck hepatitis e. herpesvirus

c. serum hepatitis

Gram-negative bacteria such as E. coli most often contaminates donated blood when: Select one: a. skin bacteria is introduced via the collection needle b. the blood cells are infected by a type of bacteria carried by fleas c. the donor has an infection but no symptoms d. the blood is stored in the bank for over 1 month e. the blood is screened for other diseases in the lab

c. the donor has an infection but no symptoms

Without treatment, patients in the clinical latency stage of HIV infection live for an average of: Select one: a. 6 months b. 1 year c. 2 years d. 10 years e. 22 years

d. 10 years

Regarding HIV and AIDS, immune function is typically measured by: Select one: a. lymph node diameter b. B cell count c. health of natural killer cells d. CD4 cell count e. CD8 cell count

d. CD4 cell count

Regarding hematopoietic cell transplantation and antiviral chemoprophylaxis for CMV, this drug may cause prolonged neutropenia: Select one: a. Maribavir b. Valacyclovir c. Acyclovir d. Ganciclovir e. Foscarnet

d. Ganciclovir

Of the five Ebola virus species, the following is the only one that has not caused disease in humans: Select one: a. Ebola virus b. Sudan virus c. Bundibugyo virus d. Reston virus e. Taï Forest virus

d. Reston virus

The primary epidemiologic reservoir for hepatitis B virus is the: Select one: a. mosquito b. primate c. rat d. human e. woodchuck

d. human

The stage of the HIV replication cycle where newly created HIV DNA moves to the nucleus and is spliced into the host's DNA is: Select one: a. reverse transcription b. transcription c. assembly d. integration e. translation

d. integration

The stage of HIV infection where a person's CD4 cell level falls below 200 cells per cubic millimeter of blood is: Select one: a. acute HIV b. asymptomatic HIV c. chronic HIV d. clinical latency e. AIDS

e. AIDS

A parasitic disease is spread to humans by sand flies and can be transmitted to another human by blood donation is: Select one: a. Babesiosis b. Chagas disease c. Malaria d. Dengue fever e. Leishmaniasis

e. Leishmaniasis

Regarding immune cell loss in HIV, this theory states that HIV proteins distort cellular function regulation leading to cell death: Select one: a. direct cell killing b. innocent bystanders c. anergy d. damaged precursor cells e. apoptosis

e. apoptosis

Even though HIV-positive people may undergo a period of clinical latency, the virus is never truly latent in the body. It is known to be most active in the: Select one: a. thyroid b. brain c. blood vessels d. rectum or vagina e. lymph nodes

e. lymph nodes

Treatment for lymphocytic choriomeningitis virus infection includes: Select one: a. immune globulin b. antiviral medication for the duration of the pregnancy c. antibiotics d. topical corticosteroids e. there is currently no treatment

e. there is currently no treatment


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